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Study on the oxidizing reaction of rare-earth chlorides (CeCl3 and PrCl3) in LiCl-KCI eutectic salt by O2 injection

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Abstract

The oxidizing reaction of some rare-earth chlorides (Pr/CeCl3) in an eutectic (LiCl-KCl) salt was studied by O2 injection. In this study, oxychlorides (REOCl) or oxides (REO2) were formed as reaction products. The results conformed to the thermodynamic equilibrium data calculated by HSC-Chemistry 5.1 software. The conversion ratio of the rare-earth chlorides to insoluble precipitates was over 0.999, after injecting O2 for 7 hours at 650 °C for the eutectic salt temperature.

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Authors and Affiliations

  1. Quantum Energy Chemical Engineering, University of Science and Technology, P.O. Box 52, Yuseong, Daejeon, 305-333, Korea

    H. C. Eun

  2. Nuclear Fuel Cycle R&D Group, Korea Atomic Energy Research Institute, P.O. Box 150, Yuseong, Daejeon, 305-353, Korea

    Y. J. Cho, H. C. Yang, H. S. Park, E. H. Kim & I. T. Kim

Authors
  1. H. C. Eun
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  2. Y. J. Cho
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  3. H. C. Yang
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  4. H. S. Park
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  5. E. H. Kim
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  6. I. T. Kim
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Correspondence to I. T. Kim.

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Eun, H.C., Cho, Y.J., Yang, H.C. et al. Study on the oxidizing reaction of rare-earth chlorides (CeCl3 and PrCl3) in LiCl-KCI eutectic salt by O2 injection. J Radioanal Nucl Chem 274, 621–624 (2007). https://doi.org/10.1007/s10967-007-6928-7

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  • DOI: https://doi.org/10.1007/s10967-007-6928-7

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